Farty-piss
Used when describing something, in relative agreeance of the subject, without having any clue what the heck you, or they are talking about.
"I want one of those tables made with all those beercaps."
"You mean an old Farty-piss table?"
"Yeah, an old Farty-Piss table dude!"
"You mean an old Farty-piss table?"
"Yeah, an old Farty-Piss table dude!"